Ultra-short laser source with rare earth ions and stable pulse train and device for lengthening a laser cavity
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United States of America Patent
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Mar 24, 2009
Grant Date -
Jul 12, 2007
app pub date -
Jan 25, 2005
filing date -
Jan 26, 2004
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Abstract
is greater than 100 nJ, the optical path including at least one passage in the active material and the ultrashort laser source includes elements for lengthening the resonant cavity thereby enabling to extend the length of the optical path travelled by the luminous pulses in the resonant cavity, the ABCD propagation matrix of the resonant cavity being close to the unit matrix so that the features of the luminous beam going back and forth in the resonant cavity remain unchanged.
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